Fault reference / by vehicle
P1101
Select the vehicle to find an engine-specific diagnostic branch. Confirm the application and bulletin revision in the guide before using the reference.
Chevrolet
Cruze
4 relevant guides
Cruze P1101 after an air-filter change: baffle and PCV-pipe checks
Why the air-cleaner baffle belongs in the conversation on a 2011–2016 LUJ/LUV Cruze.
Cruze P1101 after a valve-cover replacement: the manifold PCV link
A source-based follow-up for a recurring P1101 or P0171 complaint on early LUJ/LUV Cruze engines.
Cruze P1101: meaning, causes and the right GM repair path
A guide to choosing the right GM diagnostic reference before ordering parts for a Cruze with P1101.
Cruze P1101 with an oil leak: GM’s LE2 pressure and PCV correction
The LE2 diagnostic branch to discuss before treating an oil seal as the whole repair.
Chevrolet
Malibu
2 relevant guides
Malibu P1101: charge-air leaks and the PCV pressure branch
What GM says about a disconnected charge-air tube on the 2018–2022 Malibu 1.5L LFV.
Chevy Malibu 2018–2022 1.5L: Reduced Engine Power and P0299
Reduced engine power or P0299 on a 2018–2022 Malibu 1.5L: what GM bulletin 22-NA-224 checks first, plus the PIP5402D coupler check.
Chevrolet
Equinox
2 relevant guides
Equinox & Terrain 2018–2022 1.5L P1101: Three GM Repair Paths
P1101 on a 2018–2022 Equinox or Terrain 1.5L LYX: GM ties it to a separated charge-air tube, a coupler O-ring or a plugged PCV orifice.
Equinox & Terrain 2018–2022 1.5L: Reduced Engine Power, P0299
Reduced engine power or P0299 on a 2018–2022 Equinox or Terrain 1.5L: GM bulletin 22-NA-224 points to a separated charge air cooler tube.
Buick
Encore
1 relevant guide
Buick Encore P1101: the LUJ/LUV and LE2 repair paths
Separate early LUJ/LUV references from LE2 crankcase-pressure guidance before treating an Encore P1101 code.
GMC
Terrain
2 relevant guides
Equinox & Terrain 2018–2022 1.5L P1101: Three GM Repair Paths
P1101 on a 2018–2022 Equinox or Terrain 1.5L LYX: GM ties it to a separated charge-air tube, a coupler O-ring or a plugged PCV orifice.
Equinox & Terrain 2018–2022 1.5L: Reduced Engine Power, P0299
Reduced engine power or P0299 on a 2018–2022 Equinox or Terrain 1.5L: GM bulletin 22-NA-224 points to a separated charge air cooler tube.